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KS3 Unit 9J Gravity and Space 1© NTScience.co.uk 2005
Gravity and Space
KS3 Unit 9J Gravity and Space 2© NTScience.co.uk 2005
Q1. What is the force acting on an object due
to its mass?
KS3 Unit 9J Gravity and Space 3© NTScience.co.uk 2005
A1. Gravity
KS3 Unit 9J Gravity and Space 4© NTScience.co.uk 2005
Q2. What do we call a huge ball of gas that
emits light?
KS3 Unit 9J Gravity and Space 5© NTScience.co.uk 2005
A2. Star
KS3 Unit 9J Gravity and Space 6© NTScience.co.uk 2005
Q3. What orbits a star and reflects the star's
light?
KS3 Unit 9J Gravity and Space 7© NTScience.co.uk 2005
A3. Planet
KS3 Unit 9J Gravity and Space 8© NTScience.co.uk 2005
Q4. What orbits a planet? (Our moon is
one)
KS3 Unit 9J Gravity and Space 9© NTScience.co.uk 2005
A4. Satellite
KS3 Unit 9J Gravity and Space 10© NTScience.co.uk 2005
Q5. What do you call it when the moon casts a shadow on the Earth?
KS3 Unit 9J Gravity and Space 11© NTScience.co.uk 2005
A5. An eclipse
KS3 Unit 9J Gravity and Space 12© NTScience.co.uk 2005
Q6. What do we call the path of a planet around the Sun, or a satellite
around a planet?
KS3 Unit 9J Gravity and Space 13© NTScience.co.uk 2005
A6. Orbit
KS3 Unit 9J Gravity and Space 14© NTScience.co.uk 2005
Q7. What is a word that means everything that
exists everywhere?
KS3 Unit 9J Gravity and Space 15© NTScience.co.uk 2005
A7. The universe
KS3 Unit 9J Gravity and Space 16© NTScience.co.uk 2005
Q8. Which planet is nearest the Sun?
KS3 Unit 9J Gravity and Space 17© NTScience.co.uk 2005
A8. Mercury
KS3 Unit 9J Gravity and Space 18© NTScience.co.uk 2005
Q9. Name the hot planet with acidic clouds,
second closest to the Sun?
KS3 Unit 9J Gravity and Space 19© NTScience.co.uk 2005
A9. Venus
KS3 Unit 9J Gravity and Space 20© NTScience.co.uk 2005
Q10. Name our home, the third planet from the
Sun
KS3 Unit 9J Gravity and Space 21© NTScience.co.uk 2005
A10. Earth
KS3 Unit 9J Gravity and Space 22© NTScience.co.uk 2005
Q11. Name the red planet with canyons,
volcanoes and polar ice caps?
KS3 Unit 9J Gravity and Space 23© NTScience.co.uk 2005
A11. Mars
KS3 Unit 9J Gravity and Space 24© NTScience.co.uk 2005
Q12. Name a huge gassy planet with a giant
red spot?
KS3 Unit 9J Gravity and Space 25© NTScience.co.uk 2005
A12. Jupiter
KS3 Unit 9J Gravity and Space 26© NTScience.co.uk 2005
Q13. Name a gassy planet with a spectacular
ring system
KS3 Unit 9J Gravity and Space 27© NTScience.co.uk 2005
A13. Saturn
KS3 Unit 9J Gravity and Space 28© NTScience.co.uk 2005
Q14. Name the third largest planet in our
solar system, seventh furthest from the Sun?
KS3 Unit 9J Gravity and Space 29© NTScience.co.uk 2005
A14. Uranus
KS3 Unit 9J Gravity and Space 30© NTScience.co.uk 2005
Q15. Name a pale blue planet, the outermost of the gassy planets in our
solar system?
KS3 Unit 9J Gravity and Space 31© NTScience.co.uk 2005
A15. Neptune
KS3 Unit 9J Gravity and Space 32© NTScience.co.uk 2005
Q16. Name the planet that is usually furthest
from the Sun?
KS3 Unit 9J Gravity and Space 33© NTScience.co.uk 2005
A16. Pluto
KS3 Unit 9J Gravity and Space 34© NTScience.co.uk 2005
Q17. What do we call the small lumps of rock
or metal that move around the Sun, mainly
between Mars and Jupiter?
KS3 Unit 9J Gravity and Space 35© NTScience.co.uk 2005
A17. Asteroids
KS3 Unit 9J Gravity and Space 36© NTScience.co.uk 2005
Q17. What do we call a group of millions of
stars?
KS3 Unit 9J Gravity and Space 37© NTScience.co.uk 2005
A17. Galaxy
KS3 Unit 9J Gravity and Space 38© NTScience.co.uk 2005
Q18. What do we call it when the gravitational forces on an object in space are balanced?
KS3 Unit 9J Gravity and Space 39© NTScience.co.uk 2005
A18. Weightlessness
KS3 Unit 9J Gravity and Space 40© NTScience.co.uk 2005
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